<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card>
      <!-- 搜索框 -->
      <el-row :gutter="30">
        <el-col :span="10">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisinle = true">添加用户</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <!-- stripe隔行变色 border加边框厚度为1 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index" label="序号"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEDitDialog(scope.row.id)"></el-button>
            <el-tooltip effect="dark" content="分配角色" placement="top-start" :enterable="false">
              <el-button type="warning" icon="el-icon-share" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页导航栏 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </el-card>

    <!-- 添加用户的弹出对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisinle" width="50%" @close="addDialogclose">
      <!-- 对话框主题区域 -->
      <el-form :model="addForm" :rules="addFormrules" ref="ruleForm" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 对话框底部按钮区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisinle = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 修改用户对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisble" width="50%" @close="editDialogClose">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisble = false">取 消</el-button>
        <el-button type="primary" @click="editUserinfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVB" width="30%" @close="setRoleDialogClose">
      <div>
        <p>当前的用户：{{userinfo.username}}</p>
        <p>当前的角色: {{userinfo.role_name}}</p>
        <p>分配新的角色：
          <el-select v-model="selectRoleid" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVB = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    var checkEmail = (rule, value, cb) => {
      const regEmail = /\w[-\w.+]*@([A-Za-z0-9][-A-Za-z0-9]+\.)+[A-Za-z]{2,14}/
      if (regEmail.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法邮箱'))
    }
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^1[3|4|5|7|8]\d{9}$/
      if (regMobile.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法手机号'))
    }
    return {
      queryInfo: {
        query: '',
        // 定位在第1页
        pagenum: 1,
        // 每页显示2行
        pagesize: 2
      },
      userlist: [],
      total: 0,
      //   控制添加用户对话框显示
      addDialogVisinle: false,

      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addFormrules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '长度在 3 到 10 个字符',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '长度在 3 到 10 个字符',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      editDialogVisble: false,
      // 分配角色对话框
      setRoleDialogVB: false,
      // 需要分配角色的用户信息
      userinfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已经选中的角色id值
      selectRoleid: '',
      editForm: {},
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      //   console.log(res);
    },
    handleSizeChange(newSize) {
      //   console.log(newSize);
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange(newPage) {
      //   console.log(newPage);
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    async userStateChange(userinfo) {
      //   console.log(userinfo);
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    addDialogclose() {
      this.$refs.ruleForm.resetFields()
    },
    addUser() {
      this.$refs.ruleForm.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        this.addDialogVisinle = false
        this.getUserList()
      })
    },
    async showEDitDialog(id) {
      //   console.log(id);
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败！')
      }
      this.editForm = res.data
      this.editDialogVisble = true
    },
    editDialogClose() {
      this.$refs.editFormRef.resetFields()
    },
    editUserinfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        )
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败！')
        }
        this.editDialogVisble = false
        this.getUserList()
        this.$message.success('更新用户信息成功')
      })
    },
    async removeUserById(id) {
      //   console.log(id);
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }
      this.$message.success('删除用户成功！')
      this.getUserList()
    },
    // 展示分配角色操作对话框
    async setRole(userinfo) {
      this.userinfo = userinfo
      // 再展示对话框之前获取所有角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }
      this.rolesList = res.data
      this.setRoleDialogVB = true
    },
    // 确认分配角色
    async saveRoleInfo() {
      if (!this.selectRoleid) {
        return this.$message.error('请选择要分配的角色')
      }
      const { data: res } = await this.$http.put(
        `users/${this.userinfo.id}/role`,
        {
          rid: this.selectRoleid
        }
      )
      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败')
      }
      this.getUserList()
      this.$message.success('更新角色成功')
      this.setRoleDialogVB = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClose() {
      this.selectRoleid = ''
      this.userinfo = {}
    }
  }
}
</script>

<style lang="less" scoped>
</style>
